package com.springboot.study.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Target;

/**
 * @Author: guodong
 * @Date: 2021/12/29 14:01
 * @Version: 1.0
 * @Description:
 */
@Target({ElementType.TYPE_USE})
public @interface NotNull {
}
